Live Release Manager Bethany Heins carries Marvin, a cat weighing 26 lbs., at Animal Care Services, in San Antonio on Friday, April 11, 2014. Marvin, who was seized in an animal cruelty situation, is the heaviest cat to come into the care of Animal Care Services.

Live Release Manager Bethany Heins carries Marvin, a cat weighing 26 lbs., at Animal Care Services, in San Antonio on Friday, April 11, 2014. Marvin, who was seized in an animal cruelty situation, is the

Live Release Manager Bethany Heins takes Marvin, a cat weighing 26 lbs., out of his cage at Animal Care Services, in San Antonio on Friday, April 11, 2014. Marvin, who was seized in an animal cruelty situation, is the heaviest cat to come into the care of Animal Care Services. less

Live Release Manager Bethany Heins takes Marvin, a cat weighing 26 lbs., out of his cage at Animal Care Services, in San Antonio on Friday, April 11, 2014. Marvin, who was seized in an animal cruelty situation, ... more

Live Release Manager Bethany Heins works to socialize Marvin, a 26 lb. cat, at Animal Care Services, in San Antonio on Friday, April 11, 2014. Marvin, who was seized in an animal cruelty situation, is the heaviest cat to come into the care of Animal Care Services. less

Live Release Manager Bethany Heins works to socialize Marvin, a 26 lb. cat, at Animal Care Services, in San Antonio on Friday, April 11, 2014. Marvin, who was seized in an animal cruelty situation, is the ... more

Photo: Lisa Krantz, SAN ANTONIO EXPRESS-NEWS

Live Release Manager Bethany Heins works to socialize Marvin, a 26... Photo-6164310.114133 - San Antonio Express-News

Image 5 of 10

Live Release Manager Bethany Heins works to socialize Melvin, a 19 lb. cat, at Animal Care Services, in San Antonio on Friday, April 11, 2014. Melvin came to the shelter with three other cats in a animal cruelty seizure including Marvin, the heaviest cat to come into the care of Animal Care Services. less

Live Release Manager Bethany Heins works to socialize Melvin, a 19 lb. cat, at Animal Care Services, in San Antonio on Friday, April 11, 2014. Melvin came to the shelter with three other cats in a animal ... more

Photo: Lisa Krantz, SAN ANTONIO EXPRESS-NEWS

Live Release Manager Bethany Heins works to socialize Melvin, a 19... Photo-6164311.114133 - San Antonio Express-News

Image 6 of 10

Two cats are fed by a staff member of Animal Care Services in San Antonio. A reader says that no-kill policies are more complicated than people think.

Two cats are fed by a staff member of Animal Care Services in San Antonio. A reader says that no-kill policies are more complicated than people think.

Photo: Lisa Krantz, SAN ANTONIO EXPRESS-NEWS

Two cats are fed by a staff member of Animal Care Services in San... Photo-6164313.114133 - San Antonio Express-News

Image 7 of 10

Two cats are fed by a staff member of Animal Care Services in San Antonio. A reader says that no-kill policies are more complicated than people think.

Two cats are fed by a staff member of Animal Care Services in San Antonio. A reader says that no-kill policies are more complicated than people think.

Photo: Lisa Krantz, SAN ANTONIO EXPRESS-NEWS

Two cats are fed by a staff member of Animal Care Services in San... Photo-6716894.114133 - San Antonio Express-News

Image 8 of 10

Dr. Jessica Reyna pets Tiny Tim at the Southside Place Animal Hospital, Wednesday, Dec. 19, 2012, in Houston. A year ago, Tiny Tim weighed 35-pounds and was picked up by BARC just before Christmas and ended up at Southside Place Animal Hospital for treatment and weight loss. This is a one-year update. He's down to 27.6 pounds despite a plateau in the summer when they discovered he had chewed a small hole in a bag of dog food near his sleeping place. Clinic owner Dr. Alice Frei decided earlier this year to keep him as a permanent clinic resident. less

Dr. Jessica Reyna pets Tiny Tim at the Southside Place Animal Hospital, Wednesday, Dec. 19, 2012, in Houston. A year ago, Tiny Tim weighed 35-pounds and was picked up by BARC just before Christmas and ended ... more

Dr. Alive Frei with the Southside Place Animal Hospital walks past 34 pound cat named Tiny Tim at the clinic Friday, Jan. 20, 2012, in Houston.
The abandoned cat weighed 35 pounds was it was rescued on the 10400 block of S. Kirkwood Rd.Tiny Tim is now on a diet and workout regiment where he must walk about 25 feet four to five times a day.
Frei said it will take about two years for Tiny Tim to reach his target weight of about 12 pounds. Currently Tiny Tim at 34 pounds is about the equivalent to an adult human weighing close to 500 pounds. less

Dr. Alive Frei with the Southside Place Animal Hospital walks past 34 pound cat named Tiny Tim at the clinic Friday, Jan. 20, 2012, in Houston.
The abandoned cat weighed 35 pounds was it was rescued on the ... more

Dr. Alice Frei with the Southside Place Animal Hospital kisses 34 pound cat named Tiny Tim at the clinic Friday, Jan. 20, 2012, in Houston. The abandoned cat weighed 35 pounds was it was rescued on the 10400 block of S. Kirkwood Rd.Tiny Tim is now on a diet and workout regiment where he must walk about 25 feet four to five times a day. Frei said it will take about two years for Tiny Tim to reach his target weight of about 12 pounds. Currently Tiny Tim at 34 pounds is about the equivalent to an adult human weighing close to 500 pounds. less

Dr. Alice Frei with the Southside Place Animal Hospital kisses 34 pound cat named Tiny Tim at the clinic Friday, Jan. 20, 2012, in Houston. The abandoned cat weighed 35 pounds was it was rescued on the 10400 ... more